From: Zi Yan <zi.yan@xxxxxxxxxxxxxx>
pmd swap soft dirty support is added, too.
Signed-off-by: Zi Yan <zi.yan@xxxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Janosch Frank <frankja@xxxxxxxxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: linux-s390@xxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
---
arch/s390/include/asm/pgtable.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 2d24d33bf188..215fbb34203e 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -798,18 +798,21 @@ static inline int pmd_soft_dirty(pmd_t pmd)
{
return pmd_val(pmd) & _SEGMENT_ENTRY_SOFT_DIRTY;
}
+#define pmd_swp_soft_dirty pmd_soft_dirty
static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
{
pmd_val(pmd) |= _SEGMENT_ENTRY_SOFT_DIRTY;
return pmd;
}
+#define pmd_swp_mksoft_dirty pmd_mksoft_dirty
static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)
{
pmd_val(pmd) &= ~_SEGMENT_ENTRY_SOFT_DIRTY;
return pmd;
}
+#define pmd_swp_clear_soft_dirty pmd_clear_soft_dirty
/*
* query functions pte_write/pte_dirty/pte_young only work if
@@ -1594,7 +1597,9 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset)
}
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
+#define __pmd_to_swp_entry(pte) ((swp_entry_t) { pmd_val(pmd) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
+#define __swp_entry_to_pmd(x) ((pmd_t) { (x).val })
#define kern_addr_valid(addr) (1)
--
2.17.0
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